Sight for a firearm



FIG. 1 is a perspective view of a sight for a firearm;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are for purposes of illustration only and do not form a part of the claimed designs. 

CLAIM The ornamental design for a sight for a firearm, as shown and described. 